What is Photo-aging and how do I protect myself against it?
Sarah, Baltimore, MD
Ben Hoss and Karen Lopez, Sequence XO
Exposure to UV light account for 90 percent of the symptoms of premature skin aging, and most of the effects by age 20. Photo-aging is a relatively new term defining the process by which skin is damaged [...]

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Any advice on how I can maintain strong, healthy, active-length nails? My nails tend to split and become brittle. Would a weekly manicure help or perhaps there’s a good polish you could recommend? - Kara, Phillipsburg, NJ
- Brett Blumenthal, Spa Expert and Fitness Consultant
I tend to have this problem myself, and it can be worse [...]

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I continue to hear about free radicals and antioxidants. What are they? Why should I care?
Hilary - San Francisco
Ben Hoss and Karen Lopez - SequenceXO
Free radicals are unstable molecules formed naturally and unnaturally from pollution, the environment and other factors.  Free radicals are always on the search for stable molecules that they can damage in [...]

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